阅读说明：本技术 垃圾中转站除臭系统 (Deodorization system of garbage transfer station ) 是由 李渝 向鑫 于 2021-09-29 设计创作，主要内容包括：本发明涉及环境治理技术领域,特别涉及垃圾中转站除臭系统；包括填料塔,所述填料塔的内部设置有底部相互连通的第一处理腔和第二处理腔,所述第二处理腔内设置有UV二氧化钛光氧体系,所述第一处理腔内部由下至上顺次分为碱液吸收区和喷淋洗涤区,所述喷淋洗涤区的顶部设置有与生物除臭喷淋液进口连接的喷淋管,所述喷淋管的下方设置有填料型生物过滤装置,所述填料型生物过滤装置的底部设置有收集管,所述喷淋管和收集管分别与设置于填料塔底层的循环储液箱连通。本发明的除臭系统在去除有机臭气过程中,具有去除效果好、运行稳定、无二次污染、无危险废物产生、消耗材料使用量极少等优势,不仅设备的运行成本低,运行效果优,使用寿命更长。(The invention relates to the technical field of environmental management, in particular to a deodorization system of a garbage transfer station; including the packed tower, the inside of packed tower is provided with first treatment chamber and the second treatment chamber of bottom intercommunication each other, the second treatment intracavity is provided with UV titanium dioxide light oxygen system, first treatment chamber is inside by supreme alkali lye absorption district of dividing into in order down and spray the washing district, the top of spraying the washing district is provided with the shower with biological deodorization sprays liquid access connection, the below of shower is provided with filled type biofiltration device, filled type biofiltration device's bottom is provided with the collecting pipe, shower and collecting pipe respectively with set up in the circulation liquid reserve tank intercommunication of packed tower bottom. The deodorization system has the advantages of good removal effect, stable operation, no secondary pollution, no generation of hazardous wastes, extremely small consumption of consumed materials and the like in the process of removing organic odor, and not only is the operation cost of equipment low, but also the operation effect is excellent and the service life is longer.)

1. The garbage transfer station deodorization system is characterized by comprising a packed tower, wherein a first treatment chamber and a second treatment chamber are arranged in the packed tower, the bottoms of the first treatment chamber and the second treatment chamber are mutually communicated, the first treatment chamber and the second treatment chamber are distributed in a concentric circle outward expansion structure, an air inlet communicated with the second treatment chamber is formed in the upper portion of the left side of the packed tower, an air outlet is formed in the top of the packed tower and communicated with the first treatment chamber, a UV titanium dioxide photo-oxygen system is arranged in the second treatment chamber, the interior of the first treatment chamber is sequentially divided into an alkali liquor absorption area and a spray washing area from bottom to top, an alkali liquor box is arranged in the alkali liquor absorption area, a liquid level sensor and a PH sensor are arranged in the alkali liquor box, a spray pipe connected with a biological deodorization spray liquid inlet is arranged at the top of the spray washing area, a packed biological filtering device is arranged below the spray pipe, the bottom of the packed biological filtration device is provided with a collecting pipe, the spray pipe and the collecting pipe are respectively communicated with a circulating liquid storage tank arranged at the bottom layer of the packed tower, a biological deodorization spray circulating system is formed by a spray pump, the bottom of the packed tower is provided with a control box, and the liquid level sensor, the PH sensor and the spray pump are respectively electrically connected with the control box.

2. The garbage transfer station deodorization system as claimed in claim 1, wherein the UV titanium dioxide photo-oxygen system comprises a plurality of UV photo-oxygen purification tubes arranged at intervals, the outer surface of the packed tower is provided with UV operation indicators, and each UV photo-oxygen purification tube is electrically connected with the corresponding UV operation indicator through a lead.

3. The garbage transfer station deodorization system according to claim 1, wherein a dosing system and a tap water supply system are further disposed at the bottom of the packed tower, the dosing system comprises a dosing pump and a dosing tank, an output end of the tap water supply system is communicated with the inside of the dosing tank through a pipeline, an input end of the dosing pump is connected with an output end of the dosing tank through a pipeline, an output end of the dosing pump is communicated with the inside of the lye tank through a pipeline, and a drain pipe is disposed at the bottom of the lye tank.

4. The waste intermediate station deodorizing system according to claim 1 wherein said number of said shower pipes and said number of said filler-type biofilter units are each three.

5. The waste transfer station deodorization system according to claim 1, wherein the spray liquid in the circulating liquid storage tank is an obligate deodorization bacterium comprising acclimated Acinetobacter pseudomonas putida.

6. The waste transfer station deodorization system according to claim 1, wherein the filler of the filler type biological filter device is ceramsite or microporous silica gel filler.

7. The garbage transfer station deodorization system according to claim 1, wherein an ozone generator is further disposed at the bottom of the packed tower, and an output end of the ozone generator is communicated with the inside of the second treatment cavity through a pipeline.

8. The waste transfer station deodorization system of claim 7, wherein an ozone concentration sensor electrically connected to the ozone generator is disposed inside the second treatment chamber.

9. The garbage transfer station deodorization system according to claim 7, wherein the concentration of ozone introduced into the second treatment chamber is 40-400mg/m³。

Technical Field

The invention relates to the technical field of environmental management, in particular to a deodorization system of a garbage transfer station.

Background

The urban construction is fast in development speed, the contradiction between the consumption and treatment of urban garbage is increasingly prominent, and the construction of the garbage transfer station is not only beneficial to the centralized, unified, standardized and harmless treatment of garbage, but also beneficial to the improvement of the dirty, messy and poor current situations of the environment, and simultaneously also meets the requirement of improving the living environment level of people. However, the daily operation of the existing garbage transfer station necessarily has certain influence on the surrounding environment, wherein the main influence is the environmental influence caused by the leakage of malodorous gas generated by the garbage into the surrounding environment. The malodorous gas generated by temporary storage of garbage mainly comprises ammonia, hydrogen sulfide, methyl mercaptan, trimethylamine and other aliphatic substances, the components of the malodorous gas are complex, and how to take effective measures to treat the malodorous gas is a problem to be considered by each garbage transfer station.

In the traditional technology, the organic waste gas and the malodorous gas can only remove large particle dust and soluble pollutants in the organic/inorganic acid gas and the waste gas after the waste gas is treated by a traditional alkaline washing tower and a spray tower. And other organic waste gases cannot be removed. In some processes, subsequent treatment processes such as activated carbon adsorption are added, but the activated carbon has high use cost for treating organic odor, needs to be replaced periodically, generates a large amount of hazardous wastes and is easy to cause secondary pollution. In conclusion, the prior art has incomplete odor removal treatment, is easy to cause secondary pollution, and greatly increases the cost of users. The key point is that the existing odor treatment process has long process chain and large occupied area, and cannot provide sufficient occupied area for odor treatment equipment for an urban garbage transfer station which is short in land use originally, so that the invention is very important for the equipment which has high treatment efficiency, small occupied area, thorough odor decomposition and stable operation.

Therefore, a garbage transfer station deodorization system is provided.

Disclosure of Invention

The invention aims to provide a garbage transfer station deodorization system, which aims to solve the problems that in the running process of odor treatment equipment, odor is not thoroughly removed, the running cost is high, secondary pollution is caused and the like, and especially solves the problems that the existing equipment occupies a large area and is not suitable for being installed in a municipal garbage transfer station; meanwhile, the odor after treatment stably reaches the emission standard, the environment friendliness is excellent, and the development prospect of the process technology equipment is good.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the deodorization system of the garbage transfer station comprises a packed tower, wherein a first treatment chamber and a second treatment chamber are arranged in the packed tower, the bottoms of the first treatment chamber and the second treatment chamber are mutually communicated, the first treatment chamber and the second treatment chamber are distributed in a concentric circle outward expansion structure, an air inlet communicated with the second treatment chamber is arranged above the left side of the packed tower, an air outlet is arranged at the top of the packed tower and communicated with the first treatment chamber, a UV titanium dioxide photo-oxygen system is arranged in the second treatment chamber, the interior of the first treatment chamber is sequentially divided into an alkali liquor absorption area and a spray washing area from bottom to top, an alkali liquor box is arranged in the alkali liquor absorption area, a liquid level sensor and a PH sensor are arranged in the alkali liquor box, a spray pipe connected with a biological deodorization spray liquid inlet is arranged at the top of the spray washing area, a packed biological filtering device is arranged below the spray pipe, the bottom of the packed biological filtration device is provided with a collecting pipe, the spray pipe and the collecting pipe are respectively communicated with a circulating liquid storage tank arranged at the bottom layer of the packed tower, a biological deodorization spray circulating system is formed by a spray pump, the bottom of the packed tower is provided with a control box, and the liquid level sensor, the PH sensor and the spray pump are respectively electrically connected with the control box.

Specifically, the UV titanium dioxide light oxygen system comprises a plurality of UV light oxygen purification pipes which are arranged at intervals, UV operation indicators are arranged on the outer side surface of the packed tower, and each UV light oxygen purification pipe is electrically connected with the corresponding UV operation indicator through a lead.

Specifically, the bottom of packed tower still is provided with medicine system and running water charging system, medicine system includes dosing pump and dosing tank, the output of running water charging system passes through pipeline and the inside intercommunication of dosing tank, the input of dosing pump passes through the pipeline and is connected with the output of dosing tank, the output of dosing pump passes through pipeline and the inside intercommunication of lye tank, the bottom of lye tank is provided with the fluid-discharge tube.

Specifically, the number of the spray pipes and the number of the filler type biological filtering devices are three.

Specifically, the spray liquid in the circulating liquid storage tank adopts special deodorizing bacteria, and the special deodorizing bacteria comprise domesticated pseudomonas putida acinetobacter.

Specifically, the filler of the filler type biological filter device is ceramsite or microporous silica gel filler.

Specifically, the bottom of the packed tower is also provided with an ozone generator, and the output end of the ozone generator is communicated with the inside of the second treatment cavity through a pipeline.

Specifically, an ozone concentration sensor electrically connected with an ozone generator is arranged in the second treatment cavity.

Specifically, the concentration of ozone introduced into the second treatment cavity is 40-400mg/m³。

The invention has the beneficial effects that: the deodorization system has the advantages of good removal effect, stable operation, no secondary pollution, no generation of dangerous waste, extremely small consumption of consumed materials and the like in the process of removing organic odor, not only has low operation cost of equipment and excellent operation effect, but also has longer service life of the equipment compared with the traditional equipment.

Drawings

FIG. 1 is a odor map of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Reference numerals: the device comprises a first treatment chamber 1, a second treatment chamber 2, an air inlet 3, an air outlet 4, an alkali liquor absorption zone 5, a spray pipe 6, a filler type biological filtering device 7, a demister 8, a UV light oxygen purification pipe 9, a dosing system 10, a spray pump 11, an ozone generator 12, a control box 13, an ozone concentration sensor 14, a liquid level sensor 15, a PH sensor 16 and a tap water replenishing system 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-2, the garbage transfer station deodorization system comprises a packed tower, wherein a first treatment cavity 1 and a second treatment cavity 2 are arranged in the packed tower, the bottoms of the first treatment cavity 1 and the second treatment cavity 2 are communicated with each other, the first treatment cavity 1 and the second treatment cavity 2 are distributed in a concentric circle outward expansion structure, an air inlet 3 communicated with the second treatment cavity 2 is arranged above the left side of the packed tower, an air outlet 4 is arranged at the top of the packed tower, the air outlet 4 is communicated with the first treatment cavity 1, a UV titanium dioxide photo-oxygen system is arranged in the second treatment cavity 2, the interior of the first treatment cavity 1 is sequentially divided into an alkali liquor absorption area 5 and a spray washing area from bottom to top, an alkali liquor tank is arranged in the alkali liquor absorption area 5, a liquid level sensor 15 and a PH sensor 16 are arranged in the alkali liquor tank, a spray pipe 6 connected with a biological deodorization spray liquor inlet is arranged at the top of the spray washing area, the device is characterized in that a packed biological filtering device 7 is arranged below the spray pipe 6, a collecting pipe is arranged at the bottom of the packed biological filtering device 7, the spray pipe 6 and the collecting pipe are respectively communicated with a circulating liquid storage tank arranged at the bottom layer of the packed tower, a biological deodorization spraying circulating system is formed by a spray pump 11, a control box 13 is arranged at the bottom of the packed tower, and the liquid level sensor 15, the PH sensor 16 and the spray pump 11 are respectively electrically connected with the control box 13.

Specifically, the UV titanium dioxide light oxygen system comprises a plurality of UV light oxygen purification pipes 9 arranged at intervals, UV operation indicators are arranged on the outer side surface of the packed tower, and each UV light oxygen purification pipe 9 is electrically connected with a corresponding UV operation indicator through a lead.

Furthermore, a plurality of UV light oxygen purification pipes 9 which are arranged at intervals are arranged in the second treatment cavity 2, the odor in the garbage transfer station can be oxidized and decomposed by utilizing the UV light oxygen purification pipes 9, and then the odor and the ozone generated by the ozone generator 12 form mixed gas to enter a spraying and washing area.

Specifically, the bottom of packed tower still is provided with medicine system 10 and running water charging system 17, medicine system 10 includes dosing pump and dosing tank, the output of running water charging system 17 passes through pipeline and the inside intercommunication of dosing tank, the input of dosing pump passes through the pipeline and is connected with the output of dosing tank, the output of dosing pump passes through pipeline and the inside intercommunication of lye tank, the bottom of lye tank is provided with the fluid-discharge tube.

Further, the chemical adding system 10, the tap water replenishing system 17, the liquid level sensor 15 and the pH sensor 16 provided by the invention are used for monitoring the concentration and the liquid content of the alkali liquor in the alkali liquor tank in real time, and when the concentration and the liquid content of the alkali liquor are smaller than threshold values, the chemical adding system 10 and the tap water replenishing system 17 are required to be used for adding the alkali liquor.

Further, the alkali liquor is a dilute alkali solution with the mass percentage concentration of 1-2%.

Specifically, the number of the spray pipes 6 and the number of the filler type biological filter devices 7 are three.

Specifically, the spray liquid in the circulating liquid storage tank adopts special deodorizing bacteria, and the special deodorizing bacteria comprise domesticated pseudomonas putida acinetobacter.

Specifically, the filler of the filler type biological filter device 7 is ceramsite or microporous silica gel filler.

Furthermore, in the initial stage of starting the deodorization system, the filling tower is made to form a good biological deodorization trickling filtration system by adopting a mode of adding special deodorization bacteria and gradually culturing and domesticating, namely, the process is to carry out biofilm formation on the filler to obtain the biological filler.

Further, the circulating liquid storage tank according to the present invention is prepared by preparing a suspension (about 10 to 15% by mass) of bacteria in advance, spraying the suspension onto a packed biofiltration device 7 through a shower pipe 6, and reversely contacting the suspension with a mixed gas of an odor gas and ozone which are subjected to oxidative decomposition, wherein pollutants in the mixed gas are used as a carbon source or an energy source for microorganisms.

Furthermore, the alkali liquor absorption zone 5 is matched with the treatment of the spraying and washing zone, under the environment of proper alkaline PH, ozone in residual mixed odor can be rapidly decomposed into oxygen, and sufficient oxygen is provided for microorganisms of the filler type biofiltration device 7, so that the treatment performance of the biotrickling filter in the aspect of odor decomposition is obviously improved.

Specifically, the bottom of the packed tower is further provided with an ozone generator 12, and the output end of the ozone generator 12 is communicated with the inside of the second treatment cavity 2 through a pipeline.

Specifically, an ozone concentration sensor 14 electrically connected to the ozone generator 12 is provided in the second treatment chamber 2.

Specifically, the concentration of ozone introduced into the second treatment cavity 2 is 40-400mg/m³。

Furthermore, the invention relates to the method for controlling the concentration of ozone in the mixed gas to be 40-400mg/m³The range of (2) can effectively control the microbial biomass in the filler type biofiltration device 7, and simultaneously, the biological activity of the odor causing substances oxidized and decomposed by the microbes is not influenced, so that the biological bed (filler layer) of the spray pipe 6 is not easy to block in the long-term operation process, the risk of pressure loss in the filtration is reduced and avoided, the pressure drop is maintained in a stable range, and the system can be stably operated for a long time.

Further, a demister 8 is arranged below the air outlet 4 according to the present invention, and is used for separating mist or dust entrained in the gas phase, so that the packed tower can be produced normally and smoothly.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.